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Subject: Re: bertrik: r21416 - trunk/firmware/drivers/tuner

Re: bertrik: r21416 - trunk/firmware/drivers/tuner

From: Rafaël Carré <rafael.carre_at_gmail.com>
Date: Thu, 3 Dec 2009 07:13:25 +0100

On Sat, 20 Jun 2009 23:34:27 +0200
mailer_at_svn.rockbox.org wrote:

> Date: 2009-06-20 23:34:27 +0200 (Sat, 20 Jun 2009)
> New Revision: 21416
>
> Log Message:
> Fix e200v2 radio problem (missing Si4702 initialisation)

> - /* enable the internal oscillator */
> - si4700_write_set(TEST1, TEST1_XOSCEN);
> + /* Enable the internal oscillator
> + (Si4702-16 needs this register to be initialised to 0x100)
> */
> + si4700_write_set(TEST1, TEST1_XOSCEN | 0x100);

My Si4702/03-C19 datasheet says bits 13:0 are reserved and must be
written to their pre-existing value (so we shouldn't use 0x100 mask).

Is it different on newer revisions (-16) ?

-- 
Rafaël Carré

Received on 2009-12-03

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